The 3-year warranty covers any manufacturing defect or manufacturing failure incurred during the use of the inverter under normal conditions, from materials or workmanship. The exclusions cover damage caused by alterations, including handling, improper installation, or maintenance. Register your 700 VA inverter on Livguard's website under "Warranty Registration" by entering your product details. For additional support, call +91 1800-1025-551 and "hi" to WhatsApp +91 7428191002.